CN116913647A - Distribution transformer with intelligent early warning function - Google Patents
Distribution transformer with intelligent early warning function Download PDFInfo
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- CN116913647A CN116913647A CN202310778659.9A CN202310778659A CN116913647A CN 116913647 A CN116913647 A CN 116913647A CN 202310778659 A CN202310778659 A CN 202310778659A CN 116913647 A CN116913647 A CN 116913647A
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- transformer body
- transformer
- early warning
- warning function
- intelligent early
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- 238000009826 distribution Methods 0.000 title claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims abstract description 44
- 238000005520 cutting process Methods 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000000779 smoke Substances 0.000 claims description 31
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 13
- 238000001125 extrusion Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 230000001960 triggered effect Effects 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 5
- 230000035882 stress Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 9
- 238000005457 optimization Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature sensor or protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention relates to the technical field of distribution transformers, and particularly discloses a distribution transformer with an intelligent early warning function. When the transformer body is on fire due to overload or short circuit, the two protective covers in the processing mechanism can slide relatively under the action of the electric push rod, then the corresponding protection of the whole transformer body is in the airtight structure formed by the two protective covers, so that the fire on the transformer is reduced in the airtight space until the fire is extinguished, and the contact button of the contact switch on the cutting assembly and the input wire can be synchronously triggered to generate extrusion in the process of the relative movement of the two protective covers, so that the current input into the transformer body is cut off.
Description
Technical Field
The invention relates to the technical field of distribution transformers, in particular to a distribution transformer with an intelligent early warning function.
Background
The distribution transformer is mainly arranged on telegraph poles, and is characterized in that a pre-loading frame is fixedly arranged between the two telegraph poles in advance, and then an underframe at the bottom of the transformer is fixed on the pre-loading frame through a multipoint bolt.
The distribution transformer is mostly located in the outdoor natural environment and is exposed in the hot environment, if the distribution transformer is short-circuited in use, overload or hit by thunder and lightning, the transformer field can catch fire normally, the transformer body is usually located at a high position, when a fire situation occurs, the fire situation is difficult to process and control timely, although an emergency treatment method for the fire situation on the transformer is available in the prior art, the existing emergency treatment is difficult to process the fire situation, if the fire situation on the transformer is not controlled timely, the fire situation spreads to cause larger economic loss, and in the daily use process of the distribution transformer, partial accumulated snow can be accumulated on the upper end face of the distribution transformer, rainwater, melted snow water and the like can corrode the junction terminal on the transformer, and further the aging speed of the distribution transformer is accelerated.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a distribution transformer with an intelligent early warning function.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a distribution transformer with intelligent early warning function, includes the transformer body, and the bottom of transformer body is connected with the cross arm that two symmetries set up, and the transformer body passes through two cross arms fixed mounting between two stands, and the upper end electric connection of transformer body has the input electric wire, be provided with intelligent audible-visual annunciator on the transformer body, and lie in the outside of transformer body on the cross arm and be provided with processing mechanism, the outside of transformer body lies in processing mechanism and installs the fixed plate, has seted up the installation chamber on the fixed plate, and the installation intracavity portion is provided with radiating component, and the upper end of fixed plate corresponds the position with the input electric wire and runs through and has seted up logical groove, and logical inslot portion wears to have had the fixed axle, and the outer wall of fixed axle is provided with the subassembly that cuts off, and is provided with the trigger assembly that matches the subassembly that sets up with the subassembly that cuts off on the input electric wire.
Preferably, the processing mechanism specifically comprises two protective covers which are slidably arranged at two ends of the cross arm, an electric push rod is arranged on the protective covers, the output end of the electric push rod is fixedly connected with the outer wall of the protective cover, the other end of the electric push rod is fixedly connected with the corresponding position on the upright post, and a protective assembly is arranged between the two protective covers.
Preferably, the protection component specifically comprises two arc plates which are hinged, the other ends of the two arc plates are respectively connected with the edge position of the upper end face of the protection cover in a rotating way, and a smoke sensor is arranged on the arc plates.
Preferably, the heat dissipation assembly specifically comprises a heat dissipation fan arranged in the mounting cavity, the heat dissipation assembly further comprises a temperature sensor arranged on the outer wall of the transformer body, a controller is electrically connected to the temperature sensor, and the controller is electrically connected with the heat dissipation fan.
Preferably, the cutting assembly specifically comprises a sleeve, the outer walls of two sides of the sleeve are fixedly provided with a stress plate and a cutting block respectively, the sleeve is rotationally connected with a fixed shaft, the upper end of the fixed plate is fixedly provided with a top plate, the tail end of the top plate and the movable end of the cutting block are fixedly provided with a buffer block at the corresponding position, and the inside of the protective cover and the stress plate are correspondingly provided with extrusion blocks.
Preferably, the trigger assembly specifically includes contact switch, is provided with contact button on the contact switch, and one side fixed mounting that contact switch's outer wall corresponds with contact button has two mounting panels that the symmetry set up, is provided with two grip blocks with contact switch sliding connection between two mounting panels, fixedly connected with a plurality of springs between grip block and the mounting panel, and the groove of stepping down has been seted up with contact button corresponding position to the grip block lower extreme, and the end of cutting off the piece sets up with two grip blocks match.
Preferably, an auxiliary groove is formed in the outer wall of the lower end of the protective cover, and a plurality of rollers are rotatably arranged in the auxiliary groove.
Preferably, the smoke sensor is arranged on the inner wall of the arc-shaped plate, and the controller is further electrically connected with the smoke sensor and the two electric push rods.
Preferably, the two protective covers are provided with vacuum pumps, and the vacuum pumps are communicated with the inside of the protective cover.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the processing mechanism is arranged, when the transformer body is on fire due to overload or short circuit, the two protection covers in the processing mechanism can relatively slide under the action of the electric push rod, and then the whole transformer body is correspondingly protected in the airtight structure formed by the two protection covers, so that the fire on the transformer is reduced in the airtight space until the fire is extinguished, the fire on the transformer body is prevented from spreading to cause larger economic loss, and the contact buttons of the contact switch on the cutting assembly and the input wire can be synchronously triggered to generate extrusion in the process of relatively moving the two protection covers, so that the current input into the transformer body is cut off.
According to the invention, the protection component is arranged, when the two protection covers are in a separated state, the two arc plates forming the protection component are opened to be in an inverted V shape, so that shielding protection is formed on the upper end of the transformer body, direct contact of rain, snow and the like with the wiring terminal and the like on the upper end of the transformer body is avoided, corrosion and aging of the wiring position on the wiring terminal can be delayed, and the service life of the transformer is prolonged.
According to the invention, the cutting assembly is arranged, when the two protective covers slide, the extrusion blocks arranged on the inner walls of the protective covers can gradually extrude the tail ends of the stress plates, the two protective covers can be mutually close at a high speed, the stress plates can be extruded in a short time, so that the cutting blocks rotate in a short time to be contacted with the contact switch on the input electric wire, the input current in the transformer body is disconnected through the extrusion contact button, the tail ends of the cutting blocks are clamped and fixed by the two clamping plates, the button on the contact switch is always in an extruded state, the input electric wire is always in a disconnected state, and the overhaul and maintenance processes of the transformer body are safer for related staff after the fire is extinguished.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a distribution transformer with an intelligent early warning function according to the present invention;
fig. 2 is a schematic diagram of a closed state structure of a protection cover of a distribution transformer with an intelligent early warning function according to the present invention;
fig. 3 is a schematic diagram of a distribution transformer arc plate unfolding state structure with an intelligent early warning function;
fig. 4 is a schematic installation diagram of a fixing plate structure of a distribution transformer with an intelligent early warning function;
fig. 5 is a schematic diagram of a part of a distribution transformer with intelligent early warning function in fig. 4;
fig. 6 is a schematic diagram of a back structure of a fixing plate of a distribution transformer with an intelligent early warning function according to the present invention;
fig. 7 is a schematic side structural diagram of a fixing plate of a distribution transformer with an intelligent early warning function according to the present invention;
fig. 8 is a partial enlargement of the position B in fig. 6 of a distribution transformer with intelligent early warning function according to the present invention;
fig. 9 is a partial enlargement of a position C in fig. 1 of a distribution transformer with intelligent early warning function according to the present invention;
fig. 10 is a schematic diagram illustrating the structure separation of a sleeve and a fixed shaft of a distribution transformer with an intelligent early warning function according to the present invention;
fig. 11 is a schematic diagram illustrating the installation of a contact switch structure of a distribution transformer with an intelligent early warning function according to the present invention.
In the figure: 1. a transformer body; 2. a cross arm; 3. a protective cover; 4. an electric push rod; 5. an intelligent audible and visual alarm; 6. an arc-shaped plate; 7. a smoke sensor; 8. a fixing plate; 9. a mounting cavity; 10. a heat radiation fan; 11. a temperature sensor; 12. a controller; 13. a top plate; 14. an input wire; 15. extruding a block; 16. a contact switch; 17. cutting off the blocks; 18. a force-bearing plate; 19. an auxiliary groove; 20. a roller; 21. a through groove; 22. a fixed shaft; 23. a buffer block; 24. a sleeve; 25. a vacuum pump; 26. a mounting plate; 27. a clamping plate; 28. a relief groove; 29. and (3) a spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-11, a distribution transformer with intelligent early warning function, including transformer body 1, transformer body 1's bottom is connected with two cross arms 2 that symmetry set up, transformer body 1 passes through two cross arms 2 fixed mounting between two stands, transformer body 1's upper end electric connection has input wire 14, be provided with intelligent audible and visual annunciator 5 on the transformer body 1, and be provided with processing mechanism on the cross arm 2 in transformer body 1's outside, transformer body 1's outside is located processing mechanism and installs fixed plate 8, install mounting cavity 9 on the fixed plate 8, mounting cavity 9 inside is provided with the radiator module, fixed plate 8's upper end and input wire 14 correspond the position and run through and have been seted up logical groove 21, lead to the inside of groove 21 to wear to be equipped with fixed axle 22, fixed axle 22's outer wall is provided with the trip-out subassembly, and be provided with the trigger component that matches with the trip-out subassembly on the input wire 14, in the course of daily use of transformer body 1, in overload, under the unexpected circumstances such as thunderbolt, often can appear in the time, intelligent audible and visual annunciator 5, can send out the fire alarm 5 in the iron core, can be further in the high temperature of the transformer body 1, can be avoided in the time of the high temperature of the transformer body 1, can be processed to the high-temperature alarm is realized in the high-speed, the high-temperature alarm device, can be further set up to the transformer 1, and can be processed to the high temperature alarm body 1, and can be further in the high-temperature alarm device, and the transformer 1 is set up to the high-temperature alarm device, and can be mounted on the transformer 1, and can be further in the high-speed safety device, and the quality to the quality is further to the high-quality to the quality can be the safety equipment is used, and be located the cutting off assembly that sets up on the fixed plate 8, when processing agency carries out emergent protection to transformer body 1, can be synchronous with the contact switch 16 extrusion contact that sets up on the input electric wire 14, when contact button on the contact switch 16 receives external force extrusion, the electric current disconnection in the steerable input electric wire 14 for the input current in this transformer body 1 of disconnection for relevant staff is more safe to the maintenance and maintenance process of transformer body 1 after the scene of a fire is extinguished.
As a technical optimization scheme of the invention, the treatment mechanism specifically comprises two protection covers 3 which are slidably arranged at two ends of the cross arm 2, the protection covers 3 are provided with electric push rods 4, the output ends of the electric push rods 4 are fixedly connected with the outer walls of the protection covers 3, the other ends of the electric push rods 4 are fixedly connected with corresponding positions on the upright posts, protection components are arranged between the two protection covers 3, when a fire occurs in the transformer body 1, the electric push rods 4 with one ends fixed on the upright posts start to push the two protection covers 3 to the middle position, so that the two protection covers 3 slide along the cross arm 2 until the whole transformer body 1 is contained in a closed space formed by the two protection covers 3, elastic sealing gaskets are prevented from being arranged at the opposite sides of the two protection covers 3, the sealing performance of the inside of the transformer body can be further enhanced after the two protection covers 3 are combined, after oxygen in the closed space formed by the protection covers 3 is exhausted, the fire on the transformer body 1 is reduced until the fire is extinguished, other fire extinguishing measures are not needed, the whole transformer body 1 is positioned in the inside the protection covers 3, and the protection covers 3 are made of fireproof materials, so that the fire protection covers 3 can prevent larger economic losses caused by fire spreading.
As a technical optimization scheme of the invention, the protection component specifically comprises two arc plates 6 which are hinged, the other ends of the two arc plates 6 are respectively in rotary connection with the upper end surface edge position of the protective cover 3, the smoke sensor 7 is arranged on the arc plates 6, the smoke sensor 7 is in the prior art, the protection component is not repeated, the arc plates 6 which are hinged are all in the outwards protruding arc arrangement, the two arc plates 6 are movably connected with the protective cover 3, when the two transformer bodies 1 are normally used, the two protective covers 3 are in a separated state, at the moment, the two arc plates 6 are unfolded to be in an inverted V shape, the arc plates 6 are arranged above the transformer bodies 1, rainwater and snow can be placed in the arrangement of the arc plates 6 to be directly in contact with the upper end surface of the transformer body 1, the junction on the upper end surface of the transformer body 1 is also avoided, the aging speed of the junction on the junction terminal is also delayed while the use safety of the transformer body 1 is improved, the service life of the transformer body 1 is prolonged, when the two arc plates 6 are arranged on the two arc plates 6, the smoke sensor 7 can be arranged on the arc plates, the two arc plates can be arranged on the arc plates 6, the smoke sensor can be arranged on the arc plates, and the two arc plates can be in a closed state, and the smoke sensor can be arranged between the two arc plates and the arc plates can be set up to be in a state of the arc plates, and the smoke sensor 7 can be set on the arc plates 4.
As a technical optimization scheme of the invention, the radiating component specifically comprises a radiating fan 10 arranged in a mounting cavity 9, the radiating component further comprises a temperature sensor 11 arranged on the outer wall of the transformer body 1, the temperature sensor 11 is electrically connected with a controller 12, the controller 12 is electrically connected with the radiating fan 10, when the transformer body 1 is used, when an iron core or a coil and other elements in the transformer body 1 are overloaded to cause the temperature in the transformer body 1 to be higher, the temperature sensor 11 transmits a high-temperature signal on the transformer body 1 to the inside of the controller 12, the controller 12 can control the radiating fan 10 to rotate to quicken the radiating of the transformer body 1, and damage caused by high temperature to the internal elements of the transformer body 1 can be reduced to a certain extent, and the temperature sensor 11 adopted in the technical scheme is of model VF20-1B54SVF20-3B54S.
As a technical optimization scheme of the invention, the cutting assembly specifically comprises a sleeve 24, the outer walls of two sides of the sleeve 24 are fixedly provided with a stress plate 18 and a cutting block 17 respectively, the sleeve 24 is rotationally connected with a fixed shaft 22, the upper end of the fixed plate 8 is fixedly provided with a top plate 13, the tail end of the top plate 13 is fixedly provided with a buffer block 23 corresponding to the movable end of the cutting block 17, the inside of the protective cover 3 is correspondingly provided with a squeezing block 15 with the stress plate 18, when the two protective covers 3 are relatively movable, the two squeezing blocks 15 respectively squeeze the two stress plates 18, the squeezing blocks 15 are in triangular shapes, when the protective cover 3 is used, the squeezing blocks 15 can gradually squeeze the stress plate 18, when the two protective covers 3 are relatively moved at a high speed, the tail end of the stress plate 18 can enable the cutting block 17 to rotate with the fixed shaft 22 as an axis after being squeezed, and further enable the cutting block 17 to rotate with the fixed shaft 22 as an axis, when the movable end of the cutting block 17 contacts a contact switch 16 arranged on an input wire 14 on a transformer body 1, the current in the input wire 14 is disconnected, when the cutting block 17 rotates relatively, the tail end of the cutting block 17 can respectively squeeze the two stress plates 18, the two squeezing blocks 15 can gradually squeeze the stress plate 18, when the two elastic blocks 23 are arranged correspondingly to the buffer block 23 and the buffer block 23 are contacted with the buffer block 17, the buffer block 23, the elastic block 23 can be triggered and the elastic block is contacted with the tail end, the buffer block is triggered and the buffer block is contacted with the tail end, and the buffer block is triggered, the buffer block is triggered and the buffer block is contacted with the tail end, and the buffer block is contacted with the terminal block 17, and the buffer block is triggered, and the terminal is contacted with the buffer block 17, and the terminal block 17, when the buffer block is triggered, and the buffer block is set 23 is contacted with the buffer block is set.
As a technical optimization scheme of the invention, the triggering component specifically comprises a contact switch 16, a contact button is arranged on the contact switch 16, two symmetrically arranged mounting plates 26 are fixedly arranged on one side, corresponding to the contact button, of the outer wall of the contact switch 16, two clamping plates 27 which are in sliding connection with the contact switch 16 are arranged between the two mounting plates 26, a plurality of springs 29 are fixedly connected between the clamping plates 27 and the mounting plates 26, a yielding groove 28 is formed at the lower end of the clamping plates 27 and the position corresponding to the contact button, the tail ends of the cutting blocks 17 are matched with the two clamping plates 27, when the contact switch 16 is used, the contact button is arranged on the contact switch 16, the contact button can control the opening and closing of current on an input wire 14 through the contact button, the current in the input wire 14 can be disconnected after the contact button is pressed by external force, when the cutting blocks 17 rotate, the tail ends of the cutting blocks 17 respectively press the two clamping plates 27 to the two sides and then contact the contact button on the contact button 16, when the tail ends of the cutting blocks 17 press the contact button 16, the contact button on the contact switch 16, the contact switch 16 can control the current in the input wire 14 to be disconnected, and the current in the state can be always kept under the action of the clamping of the two clamping plates 29, and the current in the state of the cutting blocks 17 can be always kept under the constant contact state, and the condition of pressing the tail ends of the contact button is kept.
As a technical optimization scheme of the invention, the outer wall of the lower end of the protective cover 3 is provided with the auxiliary groove 19, the inside of the auxiliary groove 19 is rotatably provided with the plurality of rollers 20, and the arrangement of the plurality of rollers 20 can change the sliding friction force between the protective cover 3 and the cross arm 2 into the rolling friction force, so that the friction force between the protective cover 3 and the cross arm 2 is reduced, and the protective cover 3 can slide on the cross arm 2 quickly.
As a technical optimization scheme of the invention, the smoke sensor 7 is arranged on the inner wall of the arc-shaped plate 6, the controller 12 is further electrically connected with the smoke sensor 7 and the two electric push rods 4, the smoke sensor 7 is arranged above the transformer body 1 on the arc-shaped plate 6, after the transformer body 1 fires, smoke generated by burning components on the transformer body 1 can be controlled to move by the smoke sensor 7, so that the two protective covers 3 can contain the transformer body 1 inside the transformer body in a short time, the transformer body 1 and the external environment are blocked, and oxygen in the protective covers 3 is exhausted to cause the fire on the transformer body 1 to extinguish.
As a technical optimization scheme of the invention, the inside of each of the two protection covers 3 is provided with the vacuumizing pump 25, the vacuumizing pumps 25 are communicated with the inside of each protection cover 3, the trigger switch of each vacuumizing pump 25 is arranged on the side wall of each protection cover 3 close to the other protection cover 3, when the two protection covers 3 are mutually contacted, the two protection covers 3 are mutually pressed to trigger the switch of each vacuumizing pump 25, so that the vacuumizing pumps 25 work to accelerate the outward discharge of gas in a closed space formed by the two protection covers 3, the oxygen content in the protection covers 3 is rapidly reduced, and the extinguishing speed of a flame on the transformer body 1 in the protection covers 3 is further accelerated, and the vacuumizing pump 25 used in the technical scheme is an SK type direct-connection water ring vacuum pump.
When the smoke sensor is used, the CPM1APLC controller is selected as the controller 12, the transformer body 1 is fixedly arranged between two upright posts through the cross arm 2 according to the conventional process, when the transformer body 1 is used daily, the temperature sensor 11 arranged on the outer wall of the transformer body can transmit high-temperature signals detected by the temperature sensor 11 to the controller 12, then the controller 12 controls the cooling fan 10 to rotate to cool the transformer body 1, the cooling fan 10 can accelerate the circulation speed of air on the periphery of the transformer body 1 during rotation, heat dissipation of the transformer body 1 is accelerated, damage of internal elements caused by high temperature is avoided, the two protective covers 3 are respectively arranged at two ends of the cross arm 2 and are arranged between the two protective covers 3, the lower ends of the two arc plates 6 are opened to be in an inverted V shape, the upper side of the transformer body 1 can be shielded by the arrangement of the arc plates 6, the upper end of the transformer body 1 is further prevented from being directly connected with the upper end of the transformer body 1 through rain, snow and the like, the smoke sensor 7 can be further prolonged, and the smoke sensor 7 can be arranged at the upper end of the transformer body 1, and the smoke sensor 7 can be further prolonged, and the smoke sensor 7 can be arranged at the upper end of the transformer body 1 when the smoke sensor 7 is contacted with the smoke sensor 7.
When an emergency happens, the smoke generated on the transformer body 1 is sensed by the smoke sensor 7 and then transmitted to the controller 12, the controller 12 controls the intelligent audible and visual alarm 5 arranged on the transformer body to emit sharp sounds and glaring light to give out an alarm, meanwhile, the smoke generated by the combustion of the internal elements of the transformer body 1 is diffused upwards, when the smoke contacts with the smoke sensor 7, the smoke sensor 7 transmits the signal to the electric push rod 4 through the controller 12, the electric push rod 4 starts to push the two protective covers 3 to move towards the central position until the two protective covers 3 contain the transformer body 1 in a closed space formed by the two protective covers together, when the two protective covers 3 are mutually contacted, the outer walls of the protective covers 3 are mutually extruded, the switch of the vacuum pump 25 arranged in the transformer can be triggered, the vacuum pump 25 is started, the vacuum pump 25 can accelerate the air in the airtight space formed by the two protective covers 3 to be pumped outwards, the oxygen amount in the airtight space formed by the two protective covers 3 is rapidly reduced in a short time, the extinguishing speed of the fire on the transformer body 1 is further accelerated, the fire is prevented from being further expanded, meanwhile, the fireproof airtight space formed by the protective covers 3 can avoid the spread of the fire generated by the transformer body 1, the larger economic loss is avoided, in the process of rapid relative movement of the two protective covers 3, the extrusion block 15 in the protective covers 3 can extrude the tail end of the stress plate 18 in the process of rapid relative movement of the two protective covers 3, when the extrusion block 15 is contacted with the tail end of the stress plate 18, the special triangular structure of the extrusion block 15 can enable the tail end of the stress plate 18 to move downwards after being stressed, the stress plate 18 and the cutting block 17 are positioned on the same horizontal line, under the action of the lever principle, the end of the stress plate 18 can enable the cutting block 17 to rotate by taking the fixed shaft 22 as the axis when the end of the stress plate 18 is stressed, further the end of the cutting block 17 generates displacement in unit time, the wedge-shaped end of the cutting block 17 is extruded between the two clamping plates 27 when the cutting block 17 rotates, when the two clamping plates 27 are relatively slid and separated by external force, the contact button hidden in the yielding groove 28 is contacted with the end of the cutting block 17, at the moment, the contact button can disconnect the current in the input wire 14 after being extruded by the cutting block 17, so that the current entering the transformer body 1 is disconnected, and under the action of the spring 29, the two clamping plates 27 can extrude and fix the end of the cutting block 17, the contact button on the contact switch 16 is always kept in an extrusion state, and then the current in the input wire 14 is always in a disconnection state, when the related staff is in a power-off state during the overhaul and maintenance process of the transformer body 1 after the fire is extinguished, the whole overhaul and maintenance process can be safer, after the fire is extinguished, the two protection covers 3 are restored to the initial positions, when a user replaces related elements of the transformer body 1 or completes maintenance, the tail end of the cutting block 17 is taken out from between the two clamping plates 27, the contact button on the contact switch 16 is separated from the external force extrusion, the current in the input wire 14 forms a passage, and the transformer body 1 can be put into use again.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a distribution transformer with intelligent early warning function, includes transformer body (1), and the bottom of transformer body (1) is connected with cross arm (2) that two symmetries set up, and transformer body (1) is between two stands through two cross arm (2) fixed mounting, and the upper end electric connection of transformer body (1) has input electric wire (14), its characterized in that: be provided with intelligent audible-visual annunciator (5) on transformer body (1), and the outside that is located transformer body (1) on cross arm (2) is provided with processing mechanism, the outside that is located transformer body (1) is located processing mechanism and installs fixed plate (8), install cavity (9) on fixed plate (8), install cavity (9) inside is provided with radiator unit, logical groove (21) have been run through with input wire (14) corresponding position in the upper end of fixed plate (8), fixed axle (22) have been worn to the inside of logical groove (21), the outer wall of fixed axle (22) is provided with cuts off the subassembly, and be provided with on input wire (14) with cut off the trigger subassembly that the subassembly matches and set up.
2. The distribution transformer with the intelligent early warning function according to claim 1, characterized in that the processing mechanism specifically comprises two protection covers (3) which are slidably mounted at two ends of the cross arm (2), an electric push rod (4) is arranged on the protection cover (3), the output end of the electric push rod (4) is fixedly connected with the outer wall of the protection cover (3), the other end of the electric push rod (4) is fixedly connected with the corresponding position on the upright column, and a protection component is arranged between the two protection covers (3).
3. The distribution transformer with intelligent early warning function according to claim 2, characterized in that the protection component specifically comprises two arc plates (6) which are hinged, the other ends of the two arc plates (6) are respectively connected with the edge positions of the upper end faces of the protection cover (3) in a rotating mode, and smoke sensors (7) are arranged on the arc plates (6).
4. The distribution transformer with the intelligent early warning function according to claim 1, characterized in that the heat dissipation assembly specifically comprises a heat dissipation fan (10) arranged in the installation cavity (9), the heat dissipation assembly further comprises a temperature sensor (11) arranged on the outer wall of the transformer body (1), the temperature sensor (11) is electrically connected with a controller (12), and the controller (12) is electrically connected with the heat dissipation fan (10).
5. The distribution transformer with the intelligent early warning function according to claim 1, characterized in that the cutting assembly specifically comprises a sleeve (24), a stress plate (18) and a cutting block (17) are fixedly installed on the outer walls of two sides of the sleeve (24) respectively, the sleeve (24) is rotationally connected with a fixed shaft (22), a top plate (13) is fixedly installed on the upper end of the fixed plate (8), a buffer block (23) is fixedly installed at the position, corresponding to the movable end of the cutting block (17), of the tail end of the top plate (13), and a squeezing block (15) is arranged in the protective cover (3) corresponding to the stress plate (18).
6. The distribution transformer with intelligent early warning function according to claim 5, characterized in that the triggering component specifically comprises a contact switch (16), a contact button is arranged on the contact switch (16), two symmetrically arranged mounting plates (26) are fixedly arranged on one side, corresponding to the contact button, of the outer wall of the contact switch (16), two clamping plates (27) which are in sliding connection with the contact switch (16) are arranged between the two mounting plates (26), a plurality of springs (29) are fixedly connected between the clamping plates (27) and the mounting plates (26), a yielding groove (28) is formed in the position, corresponding to the contact button, of the lower end of the clamping plate (27), and the tail end of the cutting block (17) is matched with the two clamping plates (27).
7. The distribution transformer with the intelligent early warning function according to claim 5, wherein an auxiliary groove (19) is formed in the outer wall of the lower end of the protective cover (3), and a plurality of rollers (20) are rotatably arranged in the auxiliary groove (19).
8. A distribution transformer with intelligent early warning function according to claim 3, characterized in that the smoke sensor (7) is located on the inner wall of the arc plate (6), and the controller (12) is further electrically connected with the smoke sensor (7) and the two electric push rods (4).
9. The distribution transformer with the intelligent early warning function according to claim 7, wherein the two protection covers (3) are provided with a vacuum pump (25), and the vacuum pump (25) is communicated with the inside of the protection cover (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310778659.9A CN116913647B (en) | 2023-06-29 | 2023-06-29 | Distribution transformer with intelligent early warning function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310778659.9A CN116913647B (en) | 2023-06-29 | 2023-06-29 | Distribution transformer with intelligent early warning function |
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| CN116913647A true CN116913647A (en) | 2023-10-20 |
| CN116913647B CN116913647B (en) | 2024-01-02 |
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| CN114639531A (en) * | 2022-04-02 | 2022-06-17 | 深圳市国润机电设备有限公司 | Transformer installation auxiliary device |
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| CN115512939A (en) * | 2022-09-23 | 2022-12-23 | 江苏方天电力技术有限公司 | Distribution transformer with intelligent early warning function |
| CN218631591U (en) * | 2022-12-05 | 2023-03-14 | 万特(山东)综合能源有限公司 | Intelligent transformer overheating protection mechanism |
| CN219086517U (en) * | 2022-12-20 | 2023-05-26 | 威都能源科技有限公司 | Distribution box for rural power grids |
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| JP2018073712A (en) * | 2016-11-01 | 2018-05-10 | 住友電装株式会社 | Electric connection box |
| CN208433263U (en) * | 2018-07-13 | 2019-01-25 | 浙江金恒力新技术开发有限公司 | A kind of stable type transformer shield |
| CN212209125U (en) * | 2020-07-10 | 2020-12-22 | 康盛变压器(江苏)有限公司 | Oil-immersed transformer protection casing |
| CN214848119U (en) * | 2021-01-31 | 2021-11-23 | 江苏顺继电气有限公司 | Novel low-voltage side outgoing line distribution transformer |
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| CN219086517U (en) * | 2022-12-20 | 2023-05-26 | 威都能源科技有限公司 | Distribution box for rural power grids |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116913647B (en) | 2024-01-02 |
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